China is working to shut down shipments of illicit fentanyl and fentanyl-related substances to the U.S., investment firm Blackstone's chairman, CEO and co-founder told CNBC Sept. 17.
Stephen Schwarzman told CNBC he spoke about the issue with unnamed authorities during a trip to China last month.
U.S. officials say a large supply of illicit fentanyl is trafficked into the U.S. from China and stopping those shipments has been a main topic of conversation between President Donald Trump and Chinese President Xi Jinping.
Sen. Rob Portman, R-Ohio, told CNBC that U.S. officials don't have the necessary information on inbound shipments to identify illicit shipments of fentanyl and fentanyl-related substances from China.
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